q 5 / 2 − 3 q 3 / 2 + 5 q − 7 q + 8 q 3 / 2 − 8 q 5 / 2 + 6 q 7 / 2 − 5 q 9 / 2 + 2 q 11 / 2 − 1 q 13 / 2 {\displaystyle q^{5/2}-3q^{3/2}+5{\sqrt {q}}-{\frac {7}{\sqrt {q}}}+{\frac {8}{q^{3/2}}}-{\frac {8}{q^{5/2}}}+{\frac {6}{q^{7/2}}}-{\frac {5}{q^{9/2}}}+{\frac {2}{q^{11/2}}}-{\frac {1}{q^{13/2}}}}
